using System;
using System.ComponentModel;
using FastReport.Utils;
using FastReport.CrossView;
using System.Drawing.Design;

namespace FastReport.Data
{
    /// <summary>
    /// Base class for all CubeSources such as <see cref="SliceCubeSource"/>.
    /// </summary>
    [TypeConverter(typeof(FastReport.TypeConverters.CubeSourceConverter))]
    [Editor("FastReport.TypeEditors.CubeSourceEditor, FastReport", typeof(UITypeEditor))]
    public abstract class CubeSourceBase : DataComponentBase
    {
        #region Fields
        #endregion

        #region Properties
        /// <summary>
        /// 
        /// </summary>
        public int XAxisFieldsCount { get { return CubeLink != null ? CubeLink.XAxisFieldsCount : 0; } }
        /// <summary>
        /// 
        /// </summary>
        public int YAxisFieldsCount { get { return CubeLink != null ? CubeLink.YAxisFieldsCount : 0; } }
        /// <summary>
        /// 
        /// </summary>
        public int MeasuresCount { get { return CubeLink != null ? CubeLink.MeasuresCount : 0; } }
        /// <summary>
        /// 
        /// </summary>
        public int MeasuresLevel { get { return CubeLink != null ? CubeLink.MeasuresLevel : 0; } }
        /// <summary>
        /// 
        /// </summary>
        public bool MeasuresInXAxis { get { return CubeLink != null ? CubeLink.MeasuresInXAxis : false; } }
        /// <summary>
        /// 
        /// </summary>
        public bool MeasuresInYAxis { get { return CubeLink != null ? CubeLink.MeasuresInYAxis : false; } }
        /// <summary>
        /// 
        /// </summary>
        public int DataColumnCount { get { return CubeLink != null ? CubeLink.DataColumnCount : 0; } }
        /// <summary>
        /// 
        /// </summary>
        public int DataRowCount { get { return CubeLink != null ? CubeLink.DataRowCount : 0; } }
        /// <summary>
        /// 
        /// </summary>
        public bool SourceAssigned { get { return CubeLink != null; } }
        /// <summary>
        /// 
        /// </summary>
        public event EventHandler OnChanged;
        /// <summary>
        /// 
        /// </summary>
        public IBaseCubeLink CubeLink { get { return Reference as IBaseCubeLink; } }
        #endregion

        #region Private Methods
        #endregion

        #region Protected Methods
        #endregion

        #region Public Methods
        /// <summary>
        /// 
        /// </summary>
        public CrossViewMeasureCell GetMeasureCell(int colIndex, int rowIndex)
        {
            if (CubeLink != null)
                return CubeLink.GetMeasureCell(colIndex, rowIndex);
            else
                return new CrossViewMeasureCell();
        }

        /// <summary>
        /// 
        /// </summary>
        public void TraverseXAxis(CrossViewAxisDrawCellHandler crossViewAxisDrawCellHandler)
        {
            if (CubeLink != null)
            {
                CubeLink.TraverseXAxis(crossViewAxisDrawCellHandler);
            }
        }


        /// <summary>
        /// 
        /// </summary>
        public void TraverseYAxis(CrossViewAxisDrawCellHandler crossViewAxisDrawCellHandler)
        {
            if (CubeLink != null)
            {
                CubeLink.TraverseYAxis(crossViewAxisDrawCellHandler);
            }
        }

        /// <summary>
        /// 
        /// </summary>
        public string GetXAxisFieldName(int fieldIndex)
        {
            if (CubeLink != null)
            {
                return CubeLink.GetXAxisFieldName(fieldIndex);
            }
            else
                return "";
        }

        /// <summary>
        /// 
        /// </summary>
        public string GetYAxisFieldName(int fieldIndex)
        {
            if (CubeLink != null)
            {
                return CubeLink.GetYAxisFieldName(fieldIndex);
            }
            else
                return "";
        }
        /// <summary>
        /// 
        /// </summary>
        public string GetMeasureName(int measureIndex)
        {
            if (CubeLink != null)
            {
                return CubeLink.GetMeasureName(measureIndex);
            }
            else
                return "";
        }

        /// <inheritdoc/>
        public override void Serialize(FRWriter writer)
        {
            base.Serialize(writer);
        }

        /// <inheritdoc/>
        public override void Deserialize(FRReader reader)
        {
            base.Deserialize(reader);
        }

        /// <summary>
        /// 
        /// </summary>
        public void Changed()
        {
            if (OnChanged != null)
                OnChanged(this, new EventArgs());
        }
        #endregion

        /// <summary>
        /// Initializes a new instance of the <see cref="CubeSourceBase"/> class with default settings.
        /// </summary>
        public CubeSourceBase()
        {
            SetFlags(Flags.HasGlobalName, true);
        }

    }
}
